Transactional Email Services

MailerSend vs Mailgun

Compare MailerSend and Mailgun side-by-side. See feature differences and pricing in the Transactional Email Services category.

MailerSend

by Vercom

0.0 (0)

Pricing: Free 500 emails/mo; Hobby $6.30/mo for 5,000; Starter from $31.50/mo and Professional from $99/mo at 50,000 emails, billed yearly; Enterprise above 2M emails

MailerSend is a transactional email API and SMTP relay with inbound routing, webhooks, templates and SMS and WhatsApp add-ons, EU-hosted, with a free plan.

16 /19 features Full profile

Most Features

Mailgun

by Sinch

0.0 (0)

Pricing: Free for 100 emails/day; Send from $15/mo for 10,000 emails; Optimize add-on from $49/mo; Inspect add-on from $99/mo. Billed monthly only, checked September 2026.

Mailgun is a transactional email API and SMTP relay for developers, with paid add-ons for deliverability monitoring, pre-send QA and email validation.

18 /19 features Full profile

Feature Comparison

Transactional Email Services features side-by-side

Feature	MailerSend 16/19 features	Mailgun 18/19 features
SMTP relay Accepts mail over SMTP with a username and password, so apps that cannot call an HTTP API can still send.	Yes	Yes
REST sending API An HTTP API for sending single messages, documented and versioned, alongside SMTP.	Yes	Yes
Bulk and batch sending One API call or one batch endpoint that sends to many recipients rather than one message per call.	Yes	Yes
Inbound email parsing Receives mail sent to your domain, parses it and posts the result to your application.	Yes	Yes
Separate message streams Keeps transactional and broadcast traffic on separate streams, subaccounts or IPs so one cannot hurt the other's reputation.	No	Yes
Delivery event webhooks Posts delivery, bounce, complaint, open and click events to your endpoint as they happen.	Yes	Yes
Open and click tracking Tracks opens and link clicks per message and reports them in the dashboard and the API.	Yes	Yes
Dedicated IP pools Dedicated sending IPs, singly or grouped into pools, offered to senders past a volume threshold.	Yes	Yes
Automated IP warm-up Ramps volume on a new dedicated IP automatically over days rather than leaving the schedule to you.	Yes	Yes
Message content retention Stores the full body of sent messages for later inspection, not only the event log, for a stated number of days.	Yes	Yes
Suppression list management Maintains bounce, complaint and unsubscribe suppressions automatically and lets you edit them.	Yes	Yes
Server-side templates Templates stored on the service and rendered with per-message variables at send time.	Yes	Yes
Sandbox mode A test mode that accepts API calls and returns events without delivering any mail.	No	Yes
Scheduled delivery Accepts a send-at time on the API so a message is queued for later delivery.	Yes	Yes
EU data residency Sending infrastructure and message logs hosted in the EU on request.	Yes	Yes
Bounce classification Categorizes bounces by cause, such as hard, soft, block or spam, rather than reporting one bounce count.	Yes	Yes
Official client libraries Vendor-maintained SDKs for the major languages, not only community wrappers.	Yes	Yes
Pay-as-you-go billing Bills per message sent with no monthly minimum or subscription.	No	No
Message tagging and metadata Custom tags and metadata attached to each message for filtering reports and events.	Yes	Yes
Overall Rating	0.0 0 reviews	0.0 0 reviews

MailerSend 16/19 features

SMTP relay: Yes
REST sending API: Yes
Bulk and batch sending: Yes
Inbound email parsing: Yes
Separate message streams: No
Delivery event webhooks: Yes
Open and click tracking: Yes
Dedicated IP pools: Yes
Automated IP warm-up: Yes
Message content retention: Yes
Suppression list management: Yes
Server-side templates: Yes
Sandbox mode: No
Scheduled delivery: Yes
EU data residency: Yes
Bounce classification: Yes
Official client libraries: Yes
Pay-as-you-go billing: No
Message tagging and metadata: Yes

0.0

(0)

Mailgun 18/19 features

SMTP relay: Yes
REST sending API: Yes
Bulk and batch sending: Yes
Inbound email parsing: Yes
Separate message streams: Yes
Delivery event webhooks: Yes
Open and click tracking: Yes
Dedicated IP pools: Yes
Automated IP warm-up: Yes
Message content retention: Yes
Suppression list management: Yes
Server-side templates: Yes
Sandbox mode: Yes
Scheduled delivery: Yes
EU data residency: Yes
Bounce classification: Yes
Official client libraries: Yes
Pay-as-you-go billing: No
Message tagging and metadata: Yes

0.0

(0)

Pricing

MailerSend

Free 500 emails/mo; Hobby $6.30/mo for 5,000; Starter from $31.50/mo and Professional from $99/mo at 50,000 emails, billed yearly; Enterprise above 2M emails

View plans

Mailgun

Free for 100 emails/day; Send from $15/mo for 10,000 emails; Optimize add-on from $49/mo; Inspect add-on from $99/mo. Billed monthly only, checked September 2026.

View plans

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